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Finding the Fourth Proportional to 45,871.83, 68,818.10 and 16,289.64

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Solution

The fourth proportional to 45,871.83, 68,818.10 and 16,289.64 is: 24,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,871.83 : 68,818.10 = 16,289.64 : x
  2. Step 2: Convert to fraction form
    45,871.83/68,818.10 = 16,289.64/x
  3. Step 3: Cross multiply
    45,871.83x = 68,818.10 × 16,289.64
  4. Step 4: Simplify right side
    45,871.83x = 1,121,021,993.04
  5. Step 5: Solve for x
    x = 1,121,021,993.04/45,871.83
  6. Step 6: Final answer
    x = 24,438.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.